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15 Telfer Road Castle Hill NSW 2154
BASIX certificate and NatHERS rating
Finding the block on the map…
This home's BASIX certificate commits it to a 2,000 litre rainwater tank. It beat its BASIX water target, scoring 42 against 40.
Key features
- Windows
- Up to aluminium frames 53.1 m², single glazing 3.1 m², double glazing 50 m²
- Wall insulation
- Rockwool batts, roll or pump-in+ foil/sarking; No added insulation
- Roof and ceiling insulation
- Ceiling: fibreglass batts or roll; roof: foil backed blanket
- Hot water
- Gas instantaneous with a performance of 6 stars
- Air conditioning and heating
- 1-phase airconditioning, ducted (living area and bedroom)
Built by Innovative Design And Construction Group.
BASIX certificate
- Energy score
- 72 (target 72)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -31
- Heating load
- 13 MJ/m² a year
- Cooling load
- 17 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 211 m²
- Unconditioned floor area
- 16 m²
- Site area
- 756 m²
- Roof area
- 220 m²
- Garden area
- 205 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 6 stars
- Rainwater tank
- 2,000 litres
- Fixtures
- Showerheads 4 star, toilets 3 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 53.1 m², single glazing 3.1 m², double glazing 50 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- Floor: suspended floor above open subfloor, concrete - suspended; frame: no frame (polystyrene)
- Floor: above habitable rooms or mezzanine, treated softwood; frame: timber - H2 treated softwood (no added insulation)
- Floor: suspended floor above garage, hard wood; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood (rockwool batts, roll or pump-in+ foil/sarking)
- External wall: concrete block/plasterboard; frame: no frame (no added insulation)
- External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
- Internal wall shared with garage: plasterboard; frame: timber - untreated softwood (fibreglass batts or roll)
- Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1751366S_05, issued 23 March 2026, from the council's DA documents.
Other certificates for this address
BASIX certificate, certificate 1751366S_04, issued 15 September 2025
BASIX certificate
- Energy score
- 72 (target 72)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -31
- Heating load
- 13 MJ/m² a year
- Cooling load
- 17 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 211 m²
- Unconditioned floor area
- 16 m²
- Site area
- 756 m²
- Roof area
- 220 m²
- Garden area
- 205 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 6 stars
- Rainwater tank
- 2,000 litres
- Fixtures
- Showerheads 4 star, toilets 3 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 53.1 m², single glazing 3.1 m², double glazing 50 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- Floor: suspended floor above open subfloor, concrete - suspended; frame: no frame (polystyrene)
- Floor: above habitable rooms or mezzanine, treated softwood; frame: timber - H2 treated softwood (no added insulation)
- Floor: suspended floor above garage, hard wood; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood (rockwool batts, roll or pump-in+ foil/sarking)
- External wall: concrete block/plasterboard; frame: no frame (no added insulation)
- External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
- Internal wall shared with garage: plasterboard; frame: timber - untreated softwood (fibreglass batts or roll)
- Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1751366S_04, issued 15 September 2025, from the council's DA documents.
BASIX certificate, certificate 1751366S_02, issued 2 April 2025
BASIX certificate
- Energy score
- 72 (target 72)
- Water score
- 42 (target 40)
- Thermal performance
- Pass
- Materials score
- -31
- Heating load
- 11 MJ/m² a year
- Cooling load
- 18 MJ/m² a year
- Bedrooms
- 5
- Conditioned floor area
- 211 m²
- Unconditioned floor area
- 16 m²
- Site area
- 756 m²
- Roof area
- 220 m²
- Garden area
- 205 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 6 stars
- Rainwater tank
- 2,000 litres
- Fixtures
- Showerheads 4 star, toilets 3 star, kitchen taps 4 star, basin taps 4 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 51.8 m², single glazing 3.2 m², double glazing 48.6 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- Floor: suspended floor above open subfloor, concrete - suspended; frame: no frame (polystyrene)
- Floor: above habitable rooms or mezzanine, treated softwood; frame: timber - H2 treated softwood (no added insulation)
- Floor: suspended floor above garage, hard wood; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood (rockwool batts, roll or pump-in+ foil/sarking)
- External wall: concrete block/plasterboard; frame: no frame (no added insulation)
- External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
- Internal wall shared with garage: plasterboard; frame: timber - untreated softwood (fibreglass batts or roll)
- Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
- Ceiling and roof: flat ceiling / pitched roof, framed - metal roof, timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil backed blanket.)
Certificate 1751366S_02, issued 2 April 2025, from the council's DA documents.
BASIX certificate, certificate 1751366S, issued 13 June 2024
BASIX certificate
- Energy score
- 74 (target 72)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Materials score
- -69
- Heating load
- 15 MJ/m² a year
- Cooling load
- 15 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 284 m²
- Unconditioned floor area
- 26 m²
- Site area
- 756 m²
- Roof area
- 319 m²
- Garden area
- 344 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 6 stars
- Solar panels
- 3 kW
- Rainwater tank
- 4,000 litres
- Fixtures
- Showerheads 4 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
- Maximum glazing
- aluminium frames 89.6 m², double glazing 89.6 m²
Heating
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Cooling
- Living area: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
- Bedroom: 1-phase airconditioning - ducted; Energy rating: EER 2.5 - 3.0
Construction and insulation
- Floor: concrete slab on ground, conventional slab (no added insulation)
- Floor: suspended floor above enclosed subfloor, concrete - suspended; frame: no frame (polystyrene+ foil/sarking)
- Floor: above habitable rooms or mezzanine, treated softwood; frame: timber - H2 treated softwood (no added insulation)
- Floor: suspended floor above garage, treated softwood; frame: timber - H2 treated softwood (fibreglass batts or roll)
- Garage floor: concrete slab on ground (no added insulation)
- External wall: brick veneer; frame: timber - H2 treated softwood. all external walls fibreglass batts or roll+ foil/sarking
- External garage wall: brick veneer; frame: timber - H2 treated softwood (no added insulation)
- Internal wall shared with garage: plasterboard; frame: timber - untreated softwood (fibreglass batts or roll)
- Internal wall: plasterboard; frame: timber - untreated softwood (no added insulation)
- Ceiling and roof: flat ceiling / pitched roof, framed - concrete tiles , timber - H2 treated softwood (ceiling: fibreglass batts or roll; roof: foil/sarking.)
Certificate 1751366S, issued 13 June 2024, from the council's DA documents.
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